CVE-2021-0215
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Junos OS: EX Series, QFX Series, SRX Branch Series, MX Series: Memory leak in packet forwarding engine due to 802.1X authenticator port interface flaps
On Juniper Networks Junos EX series, QFX Series, MX Series and SRX branch series devices, a memory leak occurs every time the 802.1X authenticator port interface flaps which can lead to other processes, such as the pfex process, responsible for packet forwarding, to crash and restart. An administrator can use the following CLI command to monitor the status of memory consumption: user@device> show task memory detail Please refer to https://kb.juniper.net/KB31522 for details. This issue affects Juniper Networks Junos OS: 14.1X53 versions prior to 14.1X53-D54; 15.1X49 versions prior to 15.1X49-D240 ; 15.1X53 versions prior to 15.1X53-D593; 16.1 versions prior to 16.1R7-S8; 17.2 versions prior to 17.2R3-S4; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10 ; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3-S2; 19.1 versions prior to 19.1R1-S5, 19.1R2-S2, 19.1R3; 19.2 versions prior to 19.2R1-S5, 19.2R2; 19.3 versions prior to 19.3R2-S3, 19.3R3; 19.4 versions prior to 19.4R1-S2, 19.4R2. This issue does not affect Juniper Networks Junos OS 12.3, 15.1.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Junos OS
- Vendor
- Juniper Networks
- Product
- Junos OS
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 12.3 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 15.1 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
Junos OS
- Vendor
- Juniper Networks
- Product
- Junos OS
- Platforms
- EX Series
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 14.1X53 | affected | custom | 14.1X53-D54 | Unavailable | None listed |
Junos OS
- Vendor
- Juniper Networks
- Product
- Junos OS
- Platforms
- SRX Branch Series
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 15.1X49 | affected | custom | 15.1X49-D240 | Unavailable | None listed |
Junos OS
- Vendor
- Juniper Networks
- Product
- Junos OS
- Platforms
- SRX Branch Series, EX Series, QFX Series
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 15.1X53 | affected | custom | 15.1X53-D593 | Unavailable | None listed |
Junos OS
- Vendor
- Juniper Networks
- Product
- Junos OS
- Platforms
- SRX Branch Series, EX Series, QFX Series, MX Series
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 16.1 | affected | custom | 16.1R7-S8 | Unavailable | None listed |
| 17.2 | affected | custom | 17.2R3-S4 | Unavailable | None listed |
| 17.3 | affected | custom | 17.3R3-S8 | Unavailable | None listed |
| 17.4 | affected | custom | 17.4R2-S11, 17.4R3-S2 | Unavailable | None listed |
| 18.1 | affected | custom | 18.1R3-S10 | Unavailable | None listed |
| 18.2 | affected | custom | 18.2R2-S7, 18.2R3-S3 | Unavailable | None listed |
| 18.3 | affected | custom | 18.3R2-S4, 18.3R3-S2 | Unavailable | None listed |
| 18.4 | affected | custom | 18.4R1-S7, 18.4R2-S4, 18.4R3-S2 | Unavailable | None listed |
| 19.1 | affected | custom | 19.1R1-S5, 19.1R2-S2, 19.1R3 | Unavailable | None listed |
| 19.2 | affected | custom | 19.2R1-S5, 19.2R2 | Unavailable | None listed |
| 19.3 | affected | custom | 19.3R2-S3, 19.3R3 | Unavailable | None listed |
| 19.4 | affected | custom | 19.4R1-S2, 19.4R2 | Unavailable | None listed |